Last update 21 Mar 2024
Adenovirus Infections, Human
Last update 21 Mar 2024
Basic Info
Synonyms Adenovirus Infection, Human, Adenovirus Infections, Human, Human Adenovirus Infection + [12] |
Introduction Respiratory and conjunctival infections caused by 33 identified serotypes of human adenoviruses. |
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Double-blind randomized controlled study versus placebo to evaluate the efficacy of mono-administration of betamethasone in children with symptomatic Adenovirus infection (ADENO-beta). - ADENO-beta
Global Registry for Long-Term Follow-up of Patients Participating in Clinical Trials with Posoleucel (ALVR105) - ALVR105
Phase 3, Randomized, Double-Blind, Placebo-Controlled Trial, with Cross-Over, of Posoleucel (ALVR105) for the Treatment of Adenovirus Infection in Pediatric and Adult Participants Receiving Standard of Care Following Allogeneic Hematopoietic Cell Transplantation
100 Clinical Results associated with Adenovirus Infections, Human
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100 Translational Medicine associated with Adenovirus Infections, Human
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22 Feb 2024Microbiology spectrum
Development of monoclonal antibodies targeting the conserved fragment of hexon protein to detect different serotypes of human adenovirus.
Article
Author: Linfan Wu ; Yuhao Lin ; Juzhen Yin ; Changbi Yang ; Yushan Jiang ; Linlin Zhai ; Yuelin Wang ; Li Zhu ; Qinghua Wu ; Bao Zhang ; Chengsong Wan ; Wei Zhao ; Yang Yang ; Chenguang Shen ; Weiwei Xiao
Human adenovirus (HAdV) infects the respiratory system, thus posing a threat to health. However, immunodiagnostic reagents for human adenovirus are limited. This study aimed to develop efficient diagnostic reagents based on monoclonal antibodies for diagnosing various human adenovirus infections. Evolutionary and homology analyses of various human adenoviral antigen genes revealed highly conserved antigenic fragments. The prokaryotic expression system was applied to recombinant penton, hexon, and IVa2 conserved fragments of adenovirus, which were injected into BALB/c mice to prepare human adenovirus-specific monoclonal antibodies. Enzyme-linked immunosorbent assay (ELISA), indirect immunofluorescence assay (IFA), and Western blotting were used to determine the immune specificity of the monoclonal antibodies. Indirect ELISA showed that monoclonal antibodies 1F10, 8D3, 4A1, and 9B2 were specifically bound to HAdV-3 and HAdV-55 and revealed high sensitivity and low detection limits for various human adenoviruses. Western blotting showed that 1F10 and 8D3 specifically recognized various human adenovirus types, including HAdV-1, HAdV-2, HAdV-3, HAdV-4, HAdV-5, HAdV-7, HAdV-21, and HAdV-55, and 4A1 specifically recognized HAdV-1, HAdV-2, HAdV-3, HAdV-5, HAdV-7, HAdV-21, and HAdV-55. IFAs showed that 1F10, 8D3, and 4A1 exhibited highly selective localization to A549 cells infected with HAdV-3 and HAdV-55. Finally, two antibody pairs that could detect hexon antigens HAdV-3 and HAdV-55 at low concentrations were developed. The monoclonal antibodies developed in this study show potential for detecting human adenoviruses.IMPORTANCEIn this study, we selected the three most conserved antigenic fragments of human adenovirus to prepare a murine monoclonal antibody for the first time, and human adenovirus antigenic fragments with heretofore unheard of degrees of conservatism were isolated. The three monoclonal antibodies with the ability to recognize human respiratory adenovirus over a broad spectrum were screened by hybridoma and monoclonal antibody preparation. Human adenovirus infections are serious; however, therapeutic drugs and diagnostic reagents are scarce. Thus, to reduce the serious consequences of human viral infections and adenovirus pneumonitis, early diagnosis of infection is required. The present study provides three monoclonal antibodies capable of recognizing a wide range of human adenoviruses, thereby offering guidance for subsequent research and development.
01 Feb 2024Current medical science
Plasma Metabonomics of Human Adenovirus-infected Patients with Pneumonia and Upper Respiratory Tract Infection.
Article
Author: Ting-Ting Wei ; Wen Xu ; Bo Tu ; Wan-Xue Zhang ; Xin-Xin Yang ; Yiguo Zhou ; Shan-Shan Zhang ; Jun-Lian Yang ; Ming-Zhu Xie ; Juan Du ; Wei-Wei Chen ; Qing-Bin Lu
OBJECTIVE:
Human adenovirus (HAdV) infection is common and can develop to serious conditions with high mortality, yet the mechanism of HAdV infection remains unclear. In the present study, the serum metabolite profiles of HAdV-7-infected patients with pneumonia or upper respiratory tract infection (URTI) were explored.
METHODS:
In total, 35 patients were enrolled in the study following an outbreak of HAdV-7 in the army, of whom 14 had pneumonia and 21 had URTI. Blood samples were collected at the acute stage and at the recovery stage and were analyzed by untargeted metabolomics.
RESULTS:
Over 90% of the differential metabolites identified between the pneumonia patients and URTI patients were lipids and lipid-like molecules, including glycerophospholipids, fatty acyls, and sphingolipids. The metabolic pathways that were significantly enriched were primarily the lipid metabolism pathways, including sphingolipid metabolism, glycerophospholipid metabolism, and linoleic acid metabolism. The sphingolipid metabolism was identified as a significantly differential pathway between the pneumonia patients and URTI patients and between the acute and recovery stages for the pneumonia patients, but not between the acute and recovery stages for the URTI patients. Ceramide and lactosylceramide, involved in sphingolipid metabolism, were significantly higher in the pneumonia patients than in the URTI patients with good discrimination abilities [area under curve (AUC) 0.742 and 0.716, respectively; combination AUC 0.801].
CONCLUSION:
Our results suggested that HAdV modulated lipid metabolism for both the patients with URTI and pneumonia, especially the sphingolipid metabolism involving ceramide and lactosylceramide, which might thus be a potential intervention target in the treatment of HAdV infection.
24 Jan 2024BMJ case reports
Subsequent development of Kawasaki disease following acute human adenovirus infection among siblings.
Article
Author: Ashwini Sankannaavr ; Divyashree Puttalinga ; Praveen S Bagalkot
We report a middle-childhood girl presented with high-grade fever and headache for 4 days. Following this, the child developed mucocutaneous symptoms. She had a notable family history of autoimmune disease. Tests revealed increased inflammatory markers. On the sixth day of illness, a two-dimensonal echocardiogram showed an enlarged coronary artery, diagnosed as incomplete Kawasaki disease (KD) and treated with IVIG and aspirin.Within a week, her younger sibling, an early-childhood girl presented with features of viral prodrome, developed mucocutaneous lesions and subcutaneous oedema of limbs. Her investigations also showed elevated inflammatory markers and echocardiographic changes, diagnosed as incomplete KD.The subsequent development of KD in siblings, both showing initial viral symptoms and a family history of autoimmune disease, led to the suspicion of a potential viral trigger. This was confirmed through viral PCR studies for human adenovirus (type 3). These cases highlight an unusual occurrence of KD developing in siblings following acute adenoviral infection.
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